Standard Lemma guide

mesyl

adj · noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ˈmiː.sʌɪl/
  • Received-Pronunciation: /ˈmiː.sɪl/
  • General-American: /ˈmɛs.əl/
  • General-American: /ˈmi.səl/
  • rhymes with -ɛsəl

1

adj

Meaning 1

Obsolete form of mesel, in its various senses.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The univalent radical CH3SO2– of methanesulfonic acid.

Definition source: English Wiktionary via Wiktextract

Usage: especially, in-compounds

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Obsolete form of mesel, in its various senses.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Middle English mesel (“leprous, leper”), from Norman mesel (“leprous, leper”), from Old French mesel (“leprous, leper”), from Late Latin misellus (“leper”), from miser (“wretched, wretch”) + -ellus (“-elle”). Doublet of measles.

Contraction of methylsulfonyl.